{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing standard", "machine or equipment", "material", "machanical property", "process characterization"], "input": "This is already used for polymers and elastomers and this is in progress for metallic products ."}
{"manufacturing standard": [], "machine or equipment": [], "material": ["polymers", "elastomers", "metallic"], "machanical property": [], "process characterization": []}